@article{IVM_1963_3_a15,
     author = {L. M. Muratov},
     title = {A necessary condition for asymptotic representation of solutions of a class of differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {107--108},
     publisher = {mathdoc},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1963_3_a15/}
}